Climate of Castries, Castries Quarter, Saint Lucia
Point-value climate at Castries (Castries Quarter, Saint Lucia). Population approximately 37,963.
Located in Castries Quarter, Saint Lucia, Castries has a tropical climate. Population approximately 37,963. Monthly average temperatures range from 25.4°C / 77.7°F in January to 27.6°C / 81.7°F in August, with rainfall varying from 76 mm / 3 in (April) to 289 mm / 11.4 in (October) — about 1969 mm / 77.5 in across the year. As the national capital of Saint Lucia, it's often the primary gateway for travellers. These are point-value climate normals sampled at Castries's coordinates — often quite different from the surrounding region's area-weighted average.
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | 25.4°C77.7°F | 132 mm5.2″ | Tropical |
| February | 25.4°C77.7°F | 102 mm4″ | Tropical |
| March | 25.9°C78.6°F | 80 mm3.1″ | Tropical |
| April | 26.7°C80.1°F | 76 mm3″ | — |
| May | 27.4°C81.3°F | 96 mm3.8″ | Tropical |
| June | 27.5°C81.5°F | 152 mm6″ | Tropical |
| July | 27.5°C81.5°F | 194 mm7.6″ | Tropical |
| August | 27.6°C81.7°F | 217 mm8.5″ | Tropical |
| September | 27.6°C81.7°F | 224 mm8.8″ | Tropical |
| October | 27.3°C81.1°F | 289 mm11.4″ | Tropical |
| November | 26.7°C80.1°F | 242 mm9.5″ | Tropical |
| December | 26°C78.8°F | 165 mm6.5″ | Tropical |
Frequently asked questions
What is the best time to visit Castries?
Castries does not have a clearly "sunny" season by our profile cutoffs — see the "warmest and driest months" fallback for the closest picks. Castries's warmest month is August at an average of 27.6°C / 81.7°F, and its driest month is April with about 76 mm / 3 in of rain.
What is the climate of Castries?
Castries, in Castries Quarter, Saint Lucia, has monthly average temperatures ranging from 25.4°C / 77.7°F in January to 27.6°C / 81.7°F in August. Annual rainfall is approximately 1969 mm / 77.5 in, with the wettest month being October (289 mm / 11.4 in) and the driest April (76 mm / 3 in).
What is the average temperature in Castries in August?
The average temperature in Castries in August is 27.6°C / 81.7°F, with rainfall of about 217 mm / 8.5 in — the warmest month of the year.
When is the driest month in Castries?
The driest month in Castries is April, with about 76 mm / 3 in of average monthly rainfall. Average temperature that month is 26.7°C / 80.1°F.
When is the wettest month in Castries?
The wettest month in Castries is October, with approximately 289 mm / 11.4 in of average monthly rainfall.